On 02/15/2012 11:12 AM, Michael Goffioul wrote: > On Wed, Feb 15, 2012 at 10:08 AM, Alois Schloegl > <alois.schlo...@ist.ac.at> wrote: >>>> If you are to do this, and since the NaN package actually shadows many >>>> of octave-core functions, I would suggest to have those functions in >>>> the tsa package so that one can use it without changing the "normal" >>>> behaviour of octave. >>> >>> >> >> For clarification, the "normal" behavior of Octave is that it produces NaN's >> even in cases, where is is perfectly fine to get a meaningful result. The >> NaN-toolbox addresses this issue. >> >> All statistical of the NaN-toolbox give the same "result" than the standard >> octave functions (if not, its a bug) if the data is fully defined (i.e. >> contains no NaN's), and it produces meaningful results even for data >> containing NaN's. >> >> The same function names are used, because it makes it easier to migrate >> existing code to data containing missing values, and the user does not need >> to worry whether FUNCTION (e.g. std.m) or NANFUNCTION (e.g. nanstd.m) is the >> proper way of processing her data. > > Just out of curiosity, would it possible to implement the NAN behavior > using classes instead? This would avoid the problem of shadowing > existing core functions?
I'm not familiar with classes, but I guess its possible to use them. The real question is what would you gain ? Which problem would it solve? Shadowing of core functions is only necessary because the core functions do not deliver an elegant, simple and straight-forward functionality (i.e. ability to handle data containing NAN's) of statistical functions. If you are tired of these nagging warnings, ask the developers of octave to fix it. And I do not mean turning off the warning on shadowing functions, but to implement the NaN-skipping behavior within the existing core functions. Alois > > Michael. ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Octave-dev mailing list Octave-dev@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/octave-dev
